5x+9=5x-12

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Solution for 5x+9=5x-12 equation: 


Simplifying
5x + 9 = 5x + -12

Reorder the terms:
9 + 5x = 5x + -12

Reorder the terms:
9 + 5x = -12 + 5x

Add '-5x' to each side of the equation.
9 + 5x + -5x = -12 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 0 = -12 + 5x + -5x
9 = -12 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 = -12 + 0
9 = -12

Solving
9 = -12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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